(function ($) {
    var counter = 0;
    var modes = { iframe: "iframe", popup: "popup" };
    var defaults = { mode: modes.popup,
        popHt: 500,
        popWd: 400,
        popX: 200,
        popY: 200,
        popTitle: '文件打印',
        popClose: true
    };

    var settings = {}; //global settings

    $.fn.printArea = function (options) {
        $.extend(settings, defaults, options);

        counter++;
        var idPrefix = "printArea_";
        $("[id^=" + idPrefix + "]").remove();
        var ele = getFormData($(this));

        settings.id = idPrefix + counter;

        var writeDoc;
        var printWindow;

        switch (settings.mode) {
            case modes.iframe:
                var f = new Iframe();
                writeDoc = f.doc;
                printWindow = f.contentWindow || f;
                break;
            case modes.popup:
                printWindow = new Popup();
                writeDoc = printWindow.doc;
        }

        writeDoc.open();
        writeDoc.write(docType() + "<html>" + getHead() + getBody(ele) +  watermark222() + "</html>");
        // writeDoc.write(docType() + "<html>" + getHead() + getBody(ele) +   "</html>");
        writeDoc.close();

        printWindow.focus();


       setTimeout(function () {
           printWindow.print();
           if (settings.mode == modes.popup && settings.popClose){
               printWindow.close();
           }
       },800)

    }

    function docType() {
        if (settings.mode == modes.iframe || !settings.strict) return "";

        var standard = settings.strict == false ? " Trasitional" : "";
        var dtd = settings.strict == false ? "loose" : "strict";

        return '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01' + standard + '//EN" "http://www.w3.org/TR/html4/' + dtd + '.dtd">';
    }

    function getHead() {
        var head = "<head><title>" + settings.popTitle + "</title>";
        $(document).find("link")
            .filter(function () {
                return $(this).attr("rel").toLowerCase() == "stylesheet";
            })
            .filter(function () { // this filter contributed by "mindinquiring"
                // var media = $(this).attr("media");
                // // console.log(media)
                // // if (media == undefined) {
                // //     return false;
                // // }
                // else {
                //     return (media.toLowerCase() == "" || media.toLowerCase() == "print");
                // }
                return true
            })
            .each(function () {

                head += '<link type="text/css" rel="stylesheet" href="' + $(this).attr("href") + '" >';
            });
        head += "</head>";
        return head;
    }

    function getBody(printElement) {
        return '<body><div class="' + $(printElement).attr("class") + '">' + $(printElement).html() + '</div></body>';
    }

    function getFormData(ele) {
        $("input,select,textarea", ele).each(function () {
            // In cases where radio, checkboxes and select elements are selected and deselected, and the print
            // button is pressed between select/deselect, the print screen shows incorrectly selected elements.
            // To ensure that the correct inputs are selected, when eventually printed, we must inspect each dom element
            var type = $(this).attr("type");
            if (type == "radio" || type == "checkbox") {
                if ($(this).is(":not(:checked)")) this.removeAttribute("checked");
                else this.setAttribute("checked", true);
            }
            else if (type == "text")
                this.setAttribute("value", $(this).val());
            else if (type == "select-multiple" || type == "select-one")
                $(this).find("option").each(function () {
                    if ($(this).is(":not(:selected)")) this.removeAttribute("selected");
                    else this.setAttribute("selected", true);
                });
            else if (type == "textarea") {
                var v = $(this).attr("value");
                if ($.browser.mozilla) {
                    if (this.firstChild) this.firstChild.textContent = v;
                    else this.textContent = v;
                }
                else this.innerHTML = v;
            }
        });
        return ele;
    }

    function Iframe() {
        var frameId = settings.id;
        var iframeStyle = 'border:0;position:absolute;width:0px;height:0px;left:0px;top:0px;';
        var iframe;

        try {
            iframe = document.createElement('iframe');
            document.body.appendChild(iframe);
            $(iframe).attr({ style: iframeStyle, id: frameId, src: "" });
            iframe.doc = null;
            iframe.doc = iframe.contentDocument ? iframe.contentDocument : (iframe.contentWindow ? iframe.contentWindow.document : iframe.document);
        }
        catch (e) { throw e + ". iframes may not be supported in this browser."; }

        if (iframe.doc == null) throw "Cannot find document.";

        return iframe;
    }

    function Popup() {
        var windowAttr = "location=no,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no";
        windowAttr += ",width=595px,height=842px,top=0,left=0,toolbar=no,scrollbars=no,personalbar=no";
        windowAttr += ",resizable=yes,screenX=" + settings.popX + ",screenY=" + settings.popY + "";

        var newWin = window.open("_blank", windowAttr);

        newWin.doc = newWin.document;

        return newWin;
    }
    function watermark222(settings) {
        if(!top.parent.watermarkTxt){
            return '';
        }
        //默认设置
        var defaultSettings={
            watermarl_element:"body",
            watermark_txt:top.parent.watermarkTxt,
            watermark_x:10,//水印起始位置x轴坐标
            watermark_y:10,//水印起始位置Y轴坐标
            watermark_rows:1000,//水印行数
            watermark_cols:3000,//水印列数
            watermark_x_space:50,//水印x轴间隔
            watermark_y_space:150,//水印y轴间隔
            watermark_color:'#999',//水印字体颜色
            watermark_alpha:0.2,//水印透明度
            watermark_fontsize:'15px',//水印字体大小
            watermark_font:'微软雅黑',//水印字体
            watermark_width:350,//水印宽度
            watermark_height:50,//水印长度
            watermark_angle:20//水印倾斜度数
        };
        //采用配置项替换默认值，作用类似jquery.extend
        if(arguments.length===1&&typeof arguments[0] ==="object" ) {
            var src=arguments[0]||{};
            for(key in src) {
                if(src[key]&&defaultSettings[key]&&src[key]===defaultSettings[key]){
                    continue;
                } else if(src[key]){
                    defaultSettings[key]=src[key];
                }
            }
        }

        var aaaaa = document.createElement('div');

        var oTemp = document.createDocumentFragment();

        var maskElement=document.getElementById(defaultSettings.watermarl_element) || document.body;
        //获取页面最大宽度
        var page_width = Math.max(maskElement.scrollWidth,maskElement.clientWidth);
        //获取页面最大高度
        var page_height = Math.max(maskElement.scrollHeight,maskElement.clientHeight,maskElement.scrollTop);
        //水印数量自适应元素区域尺寸
        defaultSettings.watermark_cols=Math.ceil(page_width/(defaultSettings.watermark_x_space+defaultSettings.watermark_width));
        defaultSettings.watermark_rows=Math.ceil(page_height/(defaultSettings.watermark_y_space+defaultSettings.watermark_height));
        var x;
        var y;
        for (var i = 0; i < defaultSettings.watermark_rows; i++) {
            y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i;
            for (var j = 0; j < defaultSettings.watermark_cols; j++) {
                x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j;
                var mask_div = document.createElement('div');
                mask_div.id = 'mask_div' + i + j;
                mask_div.className = 'mask_div';
                //mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt));
                mask_div.innerHTML=(defaultSettings.watermark_txt);
                //设置水印div倾斜显示
                mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
                mask_div.style.visibility = "";
                mask_div.style.position = "absolute";
                mask_div.style.left = x + 'px';
                mask_div.style.top = y + 'px';
                mask_div.style.overflow = "hidden";
                mask_div.style.zIndex = "1029"; // 9999
                // pointer-events:none  让水印不遮挡页面的点击事件
                mask_div.style.pointerEvents='none';
                // 设置边框
                // mask_div.style.border="solid #eee 1px";
                // 兼容IE9以下的透明度设置
                mask_div.style.filter="alpha(opacity=50)";
                mask_div.style.opacity = defaultSettings.watermark_alpha;
                mask_div.style.fontSize = defaultSettings.watermark_fontsize;
                mask_div.style.fontFamily = defaultSettings.watermark_font;
                mask_div.style.color = defaultSettings.watermark_color;
                mask_div.style.textAlign = "center";
                mask_div.style.width = defaultSettings.watermark_width + 'px';
                mask_div.style.height = defaultSettings.watermark_height + 'px';
                mask_div.style.display = "block";
                aaaaa.appendChild(mask_div);
            };
        };

        return $(aaaaa).html();
    }
})(jQuery);